Dell OptiPlex GX280 - Manual (Page 77)

1 control-panel cable connector 4 securing screw
2 front-audio cable connector
5 chassis-intrusion switch cable connector
3 I/O cable connector 6 internal speaker cable connector
5. From inside the computer cover, remove the mounting screw that secures the I/O panel to the computer.
6. Remove the I/O panel from the computer.
Removing the I/O Panel (Desktop Computer)
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the cover.
NOTE: Note the routing of all cables before disconnecting them, so that you can re route them correctly when installing
the new I/O panel.
1. Follow the procedures in " Before You Begin ."
2. Remove the CD/DVD drive.
3. Remove the cable from the I/O panel by pulling on the pull loop.
4. Remove the screw that secures the I/O panel to the desktop computer.
NOTICE: When sliding the I/O card out of the computer, be extremely careful. Carelessness may result in damage to
the cable connectors and the cable routing clips.
5. Gently rotate and slide the I/O card away from the computer.